AU6798600A - Process for purifying polyethers - Google Patents

Process for purifying polyethers

Info

Publication number
AU6798600A
AU6798600A AU67986/00A AU6798600A AU6798600A AU 6798600 A AU6798600 A AU 6798600A AU 67986/00 A AU67986/00 A AU 67986/00A AU 6798600 A AU6798600 A AU 6798600A AU 6798600 A AU6798600 A AU 6798600A
Authority
AU
Australia
Prior art keywords
polyether
coalescing
water
involves
phases
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU67986/00A
Other languages
English (en)
Inventor
Paul D. Bettge
James P. Cosman
Richard J. Elwell
Raymond A. Plepys
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dow Chemical Co filed Critical Dow Chemical Co
Publication of AU6798600A publication Critical patent/AU6798600A/en
Abandoned legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/26—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
    • C08G65/2642—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds characterised by the catalyst used
    • C08G65/2645—Metals or compounds thereof, e.g. salts
    • C08G65/2648—Alkali metals or compounds thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/30—Post-polymerisation treatment, e.g. recovery, purification, drying
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/584—Recycling of catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyethers (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
  • Epoxy Compounds (AREA)
AU67986/00A 1999-08-25 2000-08-23 Process for purifying polyethers Abandoned AU6798600A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09383171 1999-08-25
US09/383,171 US6376625B1 (en) 1999-08-25 1999-08-25 Process for purifying polyethers
PCT/US2000/023081 WO2001014456A1 (en) 1999-08-25 2000-08-23 Process for purifying polyethers

Publications (1)

Publication Number Publication Date
AU6798600A true AU6798600A (en) 2001-03-19

Family

ID=23512017

Family Applications (1)

Application Number Title Priority Date Filing Date
AU67986/00A Abandoned AU6798600A (en) 1999-08-25 2000-08-23 Process for purifying polyethers

Country Status (8)

Country Link
US (1) US6376625B1 (enExample)
EP (1) EP1212370B1 (enExample)
JP (1) JP4579473B2 (enExample)
AT (1) ATE320462T1 (enExample)
AU (1) AU6798600A (enExample)
DE (1) DE60026716T2 (enExample)
ES (1) ES2258014T3 (enExample)
WO (1) WO2001014456A1 (enExample)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6765084B2 (en) 2002-01-15 2004-07-20 Dai-ichi Kogyo Seiyakn Co., Ltd. Production process for ethylene oxide resin
US20050196503A1 (en) * 2004-03-05 2005-09-08 Sunil Srivastava High-intensity sweetener-polyol compositions
US20060188629A1 (en) * 2005-01-21 2006-08-24 Greg Liesen Method for the purification of sucralose
JP2006321842A (ja) * 2005-05-17 2006-11-30 Asahi Glass Co Ltd ポリエーテル類の製造方法
US7495063B2 (en) * 2006-02-03 2009-02-24 Dow Global Technologies Inc. Reduced oligomer concentration in high purity polyalkylene glycols
US8828916B2 (en) 2006-12-28 2014-09-09 Chevron Oronite Company Llc Method to prepare nonylated diphenylamine using recycle sequential temperatures
DE102007038436A1 (de) * 2007-08-16 2009-02-19 Bayer Materialscience Ag Verfahren zur Herstellung von Polyolen
DE102008011683A1 (de) 2008-02-28 2009-09-03 Bayer Materialscience Ag Verfahren zur Herstellung von Polyolen
DE102008028555A1 (de) 2008-06-16 2009-12-17 Bayer Materialscience Ag Verfahren zur Herstellung von Polyolen
WO2010011750A1 (en) * 2008-07-23 2010-01-28 Dow Global Technologies Inc. Process for increasing the coalescence rate for amine-initiated polyethers
CN101885839B (zh) * 2009-05-13 2012-05-09 中国石油化工股份有限公司 封端型烯丙基聚醚的制备方法
DE102009043616A1 (de) 2009-09-29 2011-03-31 Bayer Materialscience Ag Verfahren zur Herstellung von aminogruppenhaltigen Polyolen
EP2365019A1 (de) 2010-03-13 2011-09-14 Bayer MaterialScience AG Verfahren zur Herstellung von Polyetherpolyolen
SG2014014567A (en) 2013-02-22 2014-09-26 Bayer Materialscience Ag Process for preparing polyether polyols
MX337785B (es) 2013-02-22 2016-03-18 Bayer Materialscience Ag Procedimiento de preparacion de polioles de polieter.
SG11201809538TA (en) 2016-05-13 2018-11-29 Covestro Deutschland Ag Method for the preparation of polyoxyalkylene polyols
US10150837B2 (en) 2016-06-23 2018-12-11 Covestro Llc Processes for removing water from a polyether polyol
CN109575268A (zh) * 2018-11-02 2019-04-05 佳化化学（滨州）有限公司 一种聚醚多元醇的精制方法及精制装置
EP3741788A1 (de) 2019-05-24 2020-11-25 Covestro Deutschland AG Verfahren zur herstellung von polyoxyalkylenpolyol-mischungen
EP3838963A1 (de) 2019-12-17 2021-06-23 Covestro Deutschland AG Verfahren zur herstellung von polyoxyalkylenpolyesterpolyolen
WO2023057328A1 (de) 2021-10-07 2023-04-13 Covestro Deutschland Ag Verfahren zur herstellung von polyoxyalkylenpolyesterpolyolen

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3016113A1 (de) * 1980-04-25 1981-10-29 Bayer Ag, 5090 Leverkusen Verfahren zur aufarbeitung von polyetherpolyolen
DE3016112A1 (de) * 1980-04-25 1981-11-05 Bayer Ag, 5090 Leverkusen Verfahren zur aufarbeitung von polyetherpolyolen
CA1312399C (en) 1986-11-21 1993-01-05 Jay Gregory Otten Process for preparing capped polyoxyalkylene block polyethers
SE463241B (sv) * 1988-04-08 1990-10-29 Asea Atom Ab Saett att ur en vaetskeblandning separera en vaetska i dispergerad fas fraan en vaetska i kontinuerlig fas
JPH0826145B2 (ja) * 1992-11-18 1996-03-13 三洋化成工業株式会社 粗製ポリオキシアルキレン化合物の精製法
JP3270589B2 (ja) 1993-09-03 2002-04-02 三井化学株式会社 ポリオキシアルキレンポリオール重合触媒の回収法
KR0145350B1 (ko) 1993-09-07 1998-07-15 사또오 아키오 폴리옥시알킬렌폴리올의 제조방법
WO1996020972A2 (en) 1995-01-05 1996-07-11 Bayer Corporation A PROCESS FOR THE REMOVAL OF A pH-BASIC MATERIAL FROM A POLYETHER POLYOL
JPH09227670A (ja) * 1996-02-19 1997-09-02 Asahi Glass Co Ltd 環状エーテル重合触媒の回収方法

Also Published As

Publication number Publication date
ATE320462T1 (de) 2006-04-15
WO2001014456A1 (en) 2001-03-01
US6376625B1 (en) 2002-04-23
JP4579473B2 (ja) 2010-11-10
DE60026716T2 (de) 2006-11-23
JP2003507550A (ja) 2003-02-25
EP1212370A1 (en) 2002-06-12
DE60026716D1 (de) 2006-05-11
EP1212370B1 (en) 2006-03-15
ES2258014T3 (es) 2006-08-16

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase